How to use assert.resolves method in sinon

Best JavaScript code snippet using sinon

github-test.js

Source:github-test.js

...46  }47  it('resolves to null if no results', async () => {48    const promise = github.fetchUserHomepage('mail@maxantoni.de');49    respond({ items: [] });50    await assert.resolves(promise, null);51  });52  it('resolves to null if more than one result', async () => {53    const promise = github.fetchUserHomepage('mail@maxantoni.de');54    respond({ items: [{}, {}] });55    await assert.resolves(promise, null);56  });57  it('resolves to homepage if exactly one result', async () => {58    const html_url = 'https://github.com/mantoni';59    const promise = github.fetchUserHomepage('mail@maxantoni.de');60    respond({ items: [{ html_url }] });61    await assert.resolves(promise, html_url);62  });...

index.js

Source:index.js

1import { transform } from 'babel-core';2const createAssertResult = function(passed, type, args) {3  _results.push(4    Promise.resolve(passed).then((passed) => {5      return Promise.all(args.map(a => Promise.resolve(a))).then((resolvedArgs) => {6        return {7          passed: passed,8          assertion: type,9          args: resolvedArgs10        };11      });12    })13  );14}15const CREATE_ASSERT_RESULT = `const createAssertResult = ${createAssertResult.toString()}`;16const ASSERT_EQUAL = `const assertEqual = (x, y) => createAssertResult(x == y, 'equal', [x, y])`;17const ASSERT_STRICT_EQUAL = `const assertStrictEqual = (x, y) => createAssertResult(x === y, 'strictEqual', [x, y]);`;18const ASSERT_RESOLVES_TO = `const assertResolvesTo = (promise, x) => createAssertResult(promise.then(y => x == y), 'resolvesTo', [promise, x]);`;19const ASSERTION_FUNCTIONS = [20  CREATE_ASSERT_RESULT,21  ASSERT_EQUAL,22  ASSERT_STRICT_EQUAL,23  ASSERT_RESOLVES_TO24].join('\n');25const Evaluator = {26  run(code) {27    const transpiled = this.transpile(code);28    if (!transpiled.error) {29      return this.evalCode(transpiled);30    } else {31      return Promise.reject([transpiled]);32    }33  },34  evalCode(transpiledCode) {35    const code = `36      var _results = [];37      ${ASSERTION_FUNCTIONS};38      ${transpiledCode};39      return Promise.all(_results);40    `;41    try {42      const result = new Function(code)();43      return result;44    } catch (e) {45      return Promise.reject([{46        error: true,47        errorType: e.name,48        message: e.message49      }]);50    }51  },52  transpile(code) {53    try {54      return transform(code, {}).code;55    } catch (e) {56      return {57        error: true,58        message: e.message.replace('unknown: ', ''),59        errorType: 'SyntaxError'60      };61    }62  }63}...

assertions.test.js

Source:assertions.test.js

1import Evaluator from '../src/index';2import test from 'tape';3test('assertEqual', (t) => {4  t.plan(1);5  const results = Evaluator.run(`6    const x = 1;7    assertEqual(x, 1);8    assertEqual(0, false);9    assertEqual('hello', 'hello');10    assertEqual(true, 1);11    assertEqual(2, 1);12  `);13  results.then((r) => {14    t.deepEqual(r, [15      { assertion: 'equal', args: [1, 1], passed: true },16      { assertion: 'equal', args: [0, false], passed: true },17      { assertion: 'equal', args: ['hello', 'hello'], passed: true },18      { assertion: 'equal', args: [true, 1], passed: true },19      { assertion: 'equal', args: [2, 1], passed: false }20    ]);21  });22});23test('assertStrictEqual', (t) => {24  t.plan(1);25  const results = Evaluator.run(`26    const x = 1;27    assertStrictEqual(x, 1);28    assertStrictEqual(0, false);29    assertStrictEqual('hello', 'hello');30    assertStrictEqual(true, 1);31  `);32  results.then((r) => {33    t.deepEqual(r, [34      { assertion: 'strictEqual', args: [1, 1], passed: true },35      { assertion: 'strictEqual', args: [0, false], passed: false },36      { assertion: 'strictEqual', args: ['hello', 'hello'], passed: true },37      { assertion: 'strictEqual', args: [true, 1], passed: false },38    ]);39  });40});41test('assertResolvesTo', (t) => {42  t.plan(1);43  const results = Evaluator.run(`44    const x = 1;45    assertResolvesTo(Promise.resolve(x), 1);46    assertResolvesTo(Promise.resolve(x), 2);47  `);48  results.then((r) => {49    t.deepEqual(r, [50      { assertion: 'resolvesTo', args: [1, 1], passed: true },51      { assertion: 'resolvesTo', args: [1, 2], passed: false },52    ]);53  });...

Using AI Code Generation

1const chai = require('chai');2const chaiAsPromised = require('chai-as-promised');3const sinon = require('sinon');4const sinonChai = require('sinon-chai');5chai.use(chaiAsPromised);6chai.use(sinonChai);7const { expect } = chai;8const { assert } = chai;9const { stub } = sinon;10const { mock } = sinon;11const { spy } = sinon;12const { fake } = sinon;13const { match } = sinon;14const { createSandbox } = sinon;15const { createStubInstance } = sinon;16const { useFakeTimers } = sinon;17const { useFakeXMLHttpRequest } = sinon;18const { useFakeServer } = sinon;19const { useFakeServerWithClock } = sinon;20const { useFakeServerWithClockAndXHR } = sinon;21const { useFakeServerWithClockAndXHR2 } = sinon;22const { useFakeServerWithClockAndXHR3 } = sinon;23const { restore } = sinon;24const { reset } = sinon;25const { resetHistory } = sinon;26const { resetBehavior } = sinon;27const {

Using AI Code Generation

1const chai = require('chai');2const sinon = require('sinon');3const sinonChai = require('sinon-chai');4const chaiAsPromised = require('chai-as-promised');5const { expect } = require('chai');6chai.use(sinonChai);7chai.use(chaiAsPromised);8const chai = require('chai');9const sinon = require('sinon');10const sinonChai = require('sinon-chai');11const chaiAsPromised = require('chai-as-promised');12const { expect } = require('chai');13chai.use(sinonChai);14chai.use(chaiAsPromised);15const chai = require('chai');16const sinon = require('sinon');17const sinonChai = require('sinon-chai');18const chaiAsPromised = require('chai-as-promised');19const { expect } = require('chai');20chai.use(sinonChai);21chai.use(chaiAsPromised);22const chai = require('chai');23const sinon = require('sinon');24const sinonChai = require('sinon-chai');25const chaiAsPromised = require('chai-as-promised');26const { expect } = require('chai');27chai.use(sinonChai);28chai.use(chaiAsPromised);29const chai = require('chai');30const sinon = require('sinon');31const sinonChai = require('sinon-chai');32const chaiAsPromised = require('chai-as-promised');33const { expect } = require('chai');34chai.use(sinonChai);35chai.use(chaiAsPromised);

Using AI Code Generation

1const chai = require("chai");2const sinon = require("sinon");3const sinonChai = require("sinon-chai");4const { expect } = chai;5chai.use(sinonChai);6const { assert } = chai;7const { getMockReq, getMockRes } = require("@jest-mock/express");8const { mockRes } = getMockRes();9const { mockReq } = getMockReq();10const { get } = require("../controllers/employeeController");11const Employee = require("../models/employee");12describe("get all employees", () => {13  it("should return all employees", async () => {14      {

Using AI Code Generation

1const chai = require('chai');2const chaiAsPromised = require('chai-as-promised');3chai.use(chaiAsPromised);4const expect = require('chai').expect;5const chai = require('chai');6const chaiAsPromised = require('chai-as-promised');7chai.use(chaiAsPromised);8const expect = require('chai').expect;9const chai = require('chai');10const sinonChai = require('sinon-chai');11chai.use(sinonChai);12const expect = require('chai').expect;13const chai = require('chai');14const sinonChai = require('sinon-chai');15chai.use(sinonChai);16const expect = require('chai').expect;17const chai = require('chai');18const sinonChai = require('sinon-chai');19chai.use(sinonChai);20const expect = require('chai').expect;21const chai = require('chai');22const sinonChai = require('sinon-chai');23chai.use(sinonChai);24const expect = require('chai').expect;

Using AI Code Generation

1const chai = require('chai');2const sinonChai = require('sinon-chai');3chai.use(sinonChai);4const { expect } = require('chai');5const sinon = require('sinon');6const assert = require('assert');7const axios = require('axios');8describe('sinon test', () => {9  it('should return the value of the promise', async () => {10    const stub = sinon.stub(axios, 'get').resolves({ data: 'some data' });11    expect(data).to.be.an('object');12    expect(data.data).to.equal('some data');13    stub.restore();14  });15  it('should return the value of the promise', async () => {16    const stub = sinon.stub(axios, 'get').rejects({ data: 'some data' });17    try {18    } catch (error) {19      expect(error).to.be.an('object');20      expect(error.data).to.equal('some data');21      stub.restore();22    }23  });24});25const chai = require('chai');26const sinonChai = require('sinon-chai');27chai.use(sinonChai);28const { expect } = require('chai');29const sinon = require('sinon');30const assert = require('assert');31const axios = require('axios');32describe('sinon test', () => {33  it('should return the value of the promise', async () => {34    const stub = sinon.stub(axios, 'get').resolves({ data: 'some data' });35    expect(data).to.be.an('object');36    expect(data.data).to.equal('some data');37    stub.restore();38  });39  it('should return the value of the promise', async () => {40    const stub = sinon.stub(axios, 'get').rejects({ data: 'some data' });

Using AI Code Generation

1const chai = require('chai');2const sinon = require('sinon');3const sinonChai = require('sinon-chai');4const { expect } = require('chai');5chai.use(sinonChai);6describe('test', () => {7  it('should return 1', async () => {8    const stub = sinon.stub().resolves(1);9    const result = await stub();10    expect(result).to.equal(1);11  });12});

Using AI Code Generation

1const { assert } = require('chai');2const sinon = require('sinon');3const { User } = require('./user');4describe('User', () => {5  describe('save', () => {6    it('should save a user', async () => {7      const user = new User({ name: 'John' });8      const save = sinon.stub(user, 'save');9      save.resolves();10      await user.save();11      assert(save.calledOnce);12    });13  });14});

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.